Xylobium colleyi (Bateman ex Lindl.) Rolfe 1890

Plant and Flowers Photos By Dalton Holland Baptista and the Orchidstudium Webstite

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Common Name Colley's Xylobium [English Orchid Collector 1800's]

Flower Size 3/8" [1 cm]

Found in Belize, Guatemala, Nicaragua, Panama, Costa Rica, Trinidad & Tobago, French Guiana, Surinam, Guyana, Venezuela and Brazil as a medium sized, hot to warm growing, caespitose epiphytic orchid occurring in lowland rainforest and riverine areas at altitudes of 200 to 1000 meters with nearly spherical, smooth pseudobulbs subtended by evanescent, nonfoliaceous sheaths and has 2 apical, obovate, obtuse, thick, grey-green, gradually narrowing below into the conduplicate petiolate base leaves that are heavily veined on the underside and blooms in the winter and spring on a basal, 3/4" [2 cm] long, densely 8 to 10 flowered, bracteate, subcapitate racemose inflorescence, arising on newly maturing and mature pseudobulb, that is shorter than the pseudobulb and has mild, agreeable fruity scented flowers.

X subpulchrum is similar to X colleyi but it differs in the ovoid pseudobulbs, having 8 to 12 flowers, white to pink sepals and petals, and brownish red midlobe, shorter sepals, shorter petals, and smaller lip, with 5 keels on the lip, a strong putrid rotting meat smell and coming from the eastern slope of the Andes

Synonyms Maxillaria brachypus Rchb.f. 1852; *Maxillaria colleyi Batem. ex Lindl. 1839; Maxillaria rebellis Rchb. f. 1853-4; Petronia regia Barb Rodr; Xylobium brachypus (Rchb.f.) Hemsl. 1884; Xylobium brachystachyum Kraenzl. 1906; Xylobium rebelle (Rchb. f.) Schltr. 1913

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1854 as Maxillaria rebellis; Bonplandia Rchb.f 1855 as Maxillaria rebellis; Symbolae Antillanae Vol VI Orchidaceae Urban 1909; Flora Brasilica Vol XII VII 115-147 Hoehne 1953; Flora Brasilica Vol XII VII 115-147 Hoehne 1953 as X brachystrachyum drawing fide; Native Orchids of Trinidad Schultes 1960; Venezuelan Orchids Illustrated Vol 3 Dunsterville & Garay 1965 drawing fide; Flora de Venezuela Volumen XV Part 4 Foldats 1970 drawing fide; Orchidaceae Braziliense Band II Pabst & Dungs 1977 drawing fide; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing fide; Icones Planetarum Tropicarum Series II Plate 600 Dodson 1989 drawing not = X subpulchrum; Native Colombian Orchids VOl 4 COS 1992 not = X subpulchrum; Icones Orchidacearum Peruviarum Plate 198 Bennett & Christenson 1993 drawing not = X subpulchrum; Rudolf Schlechter Die Orchideen Band 1B lieferung 30 1841 - 1904 Brieger 1994 drawing/photo not = X subpulchrum; Rudolf Schlechter Die Orchideen Band 1B lieferung 30 1841 - 1904 Brieger 1994 as X brachypus; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing not = X subpulchrum; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Orquideas de la Serrania del Baudo Misas Urreta 2006 drawing/photo not = X subpulchrum; Orchid Species Of Peru Zelenko & Bermudez 2009 photo fide

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